Patents by Inventor Chun Lew

Chun Lew has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Polymeric materials
    Patent number: 11124896
    Abstract: Additives such as colourants may be incorporated into polymeric materials such as polyesters, such as in polyester fibre production, by use of a liquid formulation comprising colourant and a vehicle. The vehicle may comprise a functionalised pentaerythritol, trimethylolpropane or trimellitate. The liquid formulation is suitably contacted with the polymeric material in a melt processing apparatus.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: September 21, 2021
    Assignee: COLORMATRIX HOLDINGS, INC.
    Inventors: Chun Lew, Phillip Winrow, Andrew Overend, John Goulbourn
  • POLYMERIC MATERIALS
    Publication number: 20170159209
    Abstract: Additives such as colourants may be incorporated into polymeric materials such as polyesters, such as in polyester fibre production, by use of a liquid formulation comprising colourant and a vehicle. The vehicle may comprise a functionalised pentaerythritol, trimethylolpropane or trimellitate. The liquid formulation is suitably contacted with the polymeric material in a melt processing apparatus.
    Type: Application
    Filed: February 22, 2017
    Publication date: June 8, 2017
    Inventors: Chun Lew, Phillip Winrow, Andrew Overend, John Goulbourn
  • Method of introducing an additive into a polymeric materials
    Patent number: 9611365
    Abstract: Additives such as colorants may be incorporated into polymeric materials such as polyesters, such as in polyester fiber production, by use of a liquid formulation comprising colorant and a vehicle. The vehicle may comprise a functionalized pentaerythritol, trimethylolpropane or trimellitate. The liquid formulation is suitably contacted with the polymeric material in a melt processing apparatus.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: April 4, 2017
    Assignee: COLORMATRIX HOLDINGS, INC.
    Inventors: Chun Lew, Phillip Winrow, Andrew Overend, John Goulbourn
  • POLYMERIC MATERIALS
    Publication number: 20150166740
    Abstract: Additives such as colourants may be incorporated into polymeric materials such as polyesters, such as in polyester fibre production, by use of a liquid formulation comprising colourant and a vehicle. The vehicle may comprise a functionalised pentaerythritol, trimethylolpropane or trimellitate. The liquid formulation is suitably contacted with the polymeric material in a melt processing apparatus.
    Type: Application
    Filed: June 24, 2013
    Publication date: June 18, 2015
    Inventors: Chun Lew, Phillip Winrow, Andrew Overend, John Goulbourn